Leo Calvin Rosten (April 11, 1908 - February 19, 1997) was born in Lodz, Russian Empire (now Poland) and died in New York City. He was a teacher, academic and humorist best remembered for his stories about the night-school "prodigy" Hyman Kaplan (first published in The New Yorker in the 1930s, and later reprinted in two volumes-The Education of Hyman Kaplan and The Return of Hyman Kaplan, under the pseudonym Leonard Q. Ross)